linux-kernel - Re: [PATCH v2] RAS/AMD/ATL: Remove bitwise_xor

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Message-ID: <20251124110526.GAaSQ79mo0yx1h1Xxm@fat_crate.local>
Date: Mon, 24 Nov 2025 12:05:26 +0100
From: Borislav Petkov <bp@...en8.de>
To: Kuan-Wei Chiu <visitorckw@...il.com>
Cc: Nikolay Borisov <nik.borisov@...e.com>, linux-edac@...r.kernel.org,
	linux-kernel@...r.kernel.org, Yazen.Ghannam@....com
Subject: Re: [PATCH v2] RAS/AMD/ATL: Remove bitwise_xor_bits

On Mon, Nov 24, 2025 at 04:57:51PM +0800, Kuan-Wei Chiu wrote:
> > Both LLVM/GCC support a __builtin_parity function which is functionally
> > equivalent to the custom bitwise_xor_bits() one. Let's simplify the code by
> > relying on the built-in. No functional changes.
> 
> IIRC in some cases,

Which are those cases?

Do you have a trigger scenario?

-- 
Regards/Gruss,
    Boris.

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